(19)

(11)

EP 3 959 689 A1

(12)

(43) Date of publication: 02.03.2022 Bulletin 2022/09 (21) Application number: 20717512.6 (22) Date of filing: 16.03.2020

(51) International Patent Classification (IPC):  G06T 15/50(2011.01) (52) Cooperative Patent Classification (CPC): G06T 15/506 (86) International application number: PCT/US2020/022877 (87) International publication number: WO 2020/219177 (29.10.2020 Gazette 2020/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.04.2019 US 201916393649 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: CICHOCKI, Adam Andrzej Redmond, Washington 98052-6399 (US) SCHIRSKI, Marc Redmond, Washington 98052-6399 (US) FROMMHOLD, Dag Birger Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)